The regulation of oral-aboral ectoderm specification in the sea urchin embryo has been extensively studied in recent years. The oral-aboral polarity is initially imposed downstream of a redox gradient induced by asymmetric maternal distribution of mitochondria. Two TGF-β signaling pathways, Nodal and BMP, are then respectively utilized in the generation of oral and aboral regulatory states. How...

Article history: Received 26 November 2015 Received in revised form 26 January 2016 Accepted 30 January 2016 Available online xxxx A focus on the ‘mega’ aspect of hallmark events can divert attention from the micro – those local communities who are most impacted by the event. Similarly, attention to the ‘event’ aspect underplays the long process of bidding and preparation before any putative le...

We started 2020 while facing the largest pandemic of infectious diseases in the last one hundred years and also the most widespread recession in human life. The relatively small size COVID-19 virus has now placed more than half of the world in lockdown and is passing through countries borderless without discrimination. Although our health is primarily at risk due to the disease itself, we canno...

The unanticipated lockdown following the COVID-19 has had a significant impact in the field of rehabilitation compelling the professionals to switch to tele-mode in order to continue service without interruption. The aim of this article is to highlight the steps taken to overcome the various challenges encountered and to strengthen the opportunities in telerehabilitation services at a tertiary ...

This article describes the relationship between countries’ lockdown responses to COVID-19 pandemic and those political rights civil liberties, macroeconomic variables, vulnerability virus. Political liberties cannot explain differences in timing across countries.

The recent COVID-19 crisis has revealed the urgent need to study impact of an infectious disease on market economies and provide adequate policy recommendations. present paper studies optimal lockdown in a dynamic general equilibrium model where households are altruistic they care about share infected individuals. spread is modeled here using SIS dynamics, which implies that recovery does not c...